artificial-radiation belt

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• Van Allen radiation belt — Van Allen radiation belts The Van Allen radiation belt is a torus of energetic charged particles (plasma) around Earth, which is held in place by Earth s magnetic field. It is believed that most of the particles that form the belts come from… …   Wikipedia

• List of artificial radiation belts — Artificial radiation belts have been created by high altitude explosions of nuclear weapons. List of Artificial Radiation BeltsExplosionLocationDateYieldAltitude (kilometer|km)Nation Responsible Argus I South Atlantic 8 27 58 1 kt 200 US Argus II …   Wikipedia

• Background radiation — This article is about ionizing radiation. For microwave background radiation from space, see Cosmic background radiation and cosmic background. Thermal radiation emitted by Earth is not considered in this category because it is not ionizing.… …   Wikipedia

• Satélite artificial — Swift. Un satélite artificial es una nave espacial fabricada en la Tierra y enviada en un vehículo de lanzamiento, un tipo de cohete que envía una carga útil al espacio exterior. Los satélites artificiales pueden orbitar alrededor de lunas,… …   Wikipedia Español

• Starfish Prime — The debris fireball stretching along Earth s magnetic field [7] with air glow aurora as seen at 3 minutes from an RC 135 surveillance aircraft. Information …   Wikipedia

• High altitude nuclear explosion — High altitude nuclear explosions have historically been nuclear explosions which take place above altitudes of 50 km, still inside the Earth s atmosphere. Such explosions have been tests of nuclear weapons, used to determine the effects of the… …   Wikipedia

• Hipparcos — ▪ artificial satellite in full  High Precision Parallax Collecting Satellite   Earth orbiting satellite launched by the European Space Agency in 1989 that over the next four years measured the distances to more than 100,000 stars by direct… …   Universalium

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• Magnetosphere chronology — The following is a chronology of discoveries concerning the magnetosphere. 1600 William Gilbert in London suggests the Earth is a giant magnet. 1741 Hiorter and Anders Celsius note that the polar aurora is accompanied by a disturbance of the… …   Wikipedia

• Exploration of Jupiter — Jupiter as seen by the space probe Cassini. This is the most detailed global color portrait of Jupiter ever assembled …   Wikipedia

• Operation Fishbowl — was a series of high altitude nuclear tests in 1962 that were carried out by the United States as a part of the larger Operation Dominic nuclear test program. Array of rockets with instruments for making scientific measurements of high altitude… …   Wikipedia